The ancient GreeksHowever, Despite all this, there was not yet an insistence that ideas be backed up by experiments. Several right-sounding but wrong ideas endured into the modern period. ●“Heavenly” bodies move in perfect circles. ●Motion of stars and planets is differentfrom motion of objects on earth.●The Earth is the center of the universe. ●Objects need a continuing push or pull to keep moving. There were two driving forces behind these ideas: Insufficient data, and aesthetics.

The middle ages●Europe slowed down scientifically. The early middle ages is known as the dark agesfor a reason. ●Exciting developments elsewhere in the world... Arabic math, astronomy, physical science progressed admirably. The astrolabe: a portable star chart that permitted one to predict the position of the planets, Sun, and stars. Also functioned as a navigation tool, timekeeping device, and astrological aid...

This preview has intentionally blurred sections.
Sign up to view the full version.

The audacity of CopernicusCopernicus's heliocentric model1500s A.D. Copernicus claimed: 1. The Earth is not the center of the universe; the Sun is! 2. The Earth both rotates and revolves around the Sun. This model was consistent with,but not in contradiction to, the geocentric model.And everything still moved in circles.

Brahe observes the sky To get where we are today, we needed more data!

This preview has intentionally blurred sections.
Sign up to view the full version.

What students are saying

As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

Kiran
Temple University Fox School of Business ‘17, Course Hero Intern

I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

Dana
University of Pennsylvania ‘17, Course Hero Intern

The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.